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Finding the Fourth Proportional to 888,705.32, 1,226,409.98 and 480,805.88

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Solution

The fourth proportional to 888,705.32, 1,226,409.98 and 480,805.88 is: 663,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,705.32 : 1,226,409.98 = 480,805.88 : x
  2. Step 2: Convert to fraction form
    888,705.32/1,226,409.98 = 480,805.88/x
  3. Step 3: Cross multiply
    888,705.32x = 1,226,409.98 × 480,805.88
  4. Step 4: Simplify right side
    888,705.32x = 589,665,129,674.68
  5. Step 5: Solve for x
    x = 589,665,129,674.68/888,705.32
  6. Step 6: Final answer
    x = 663,510.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.